Bonobos and chimpanzees exhibit human-like framing effects.

@article{Krupenye2015BonobosAC,
  title={Bonobos and chimpanzees exhibit human-like framing effects.},
  author={Christopher Krupenye and Alexandra G Rosati and Brian Hare},
  journal={Biology letters},
  year={2015},
  volume={11 2},
  pages={20140527}
}
Humans exhibit framing effects when making choices, appraising decisions involving losses differently from those involving gains. To directly test for the evolutionary origin of this bias, we examined decision-making in humans' closest living relatives: bonobos (Pan paniscus) and chimpanzees (Pan troglodytes). We presented the largest sample of non-humans to date (n = 40) with a simple task requiring minimal experience. Apes made choices between a 'framed' option that provided preferred food… CONTINUE READING

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